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Finding the Fourth Proportional to 592.92, 817.48 and 382.74

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Solution

The fourth proportional to 592.92, 817.48 and 382.74 is: 527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.92 : 817.48 = 382.74 : x
  2. Step 2: Convert to fraction form
    592.92/817.48 = 382.74/x
  3. Step 3: Cross multiply
    592.92x = 817.48 × 382.74
  4. Step 4: Simplify right side
    592.92x = 312,882.30
  5. Step 5: Solve for x
    x = 312,882.30/592.92
  6. Step 6: Final answer
    x = 527.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.